Taking numbers instead of names, five extraordinary 10-year-olds form a covert team called the Kids Next Door with one dedicated mission: to free all children from the tyrannical rule of adults.
The Kids Next Door attempt to stop a party for their enemies.
Kenny and Chimpy are hired to do chores.
Mr. Wink and Mr. Fibb extend adult swim time.
The Kids Next Door set off on a mission to the ice cream factory.
With Numbuh One away, the Treehouse becomes an easy target for adults
The hamsters that power the Treehouse go on vacation, leaving the team vulnerable.
The Kids Next Door are put in the crosshairs of Knightbraces.
Stickybeard and his crew sniff out the Kids Next Door's candy depository.
The team meets the last member of another era's Kids Next Door.
When turnips are found everywhere in Sector V's treehouse, they go to the source: a giant turnip, to defeat it.
After Numbuh 2 beats a mini-golf champion at mini-golf, the golfer shrinks Numbuh 2, and a whole lot of sights from around the world.
When his father brings Numbuh 4 to work for "Bring Your Daughter To Work Day", Numbuh 4 discovers his father's boss plans to send him and all the daughters of his coworkers to Plu…
A fellow operative, Numbuh 30c, is sent to help Sector V stop a villain from using a weather machine to make no more snow days for school. It turns out that he was not helping, be…
The Delightful Children From Down The Lane attack Sector V's headquarters with an infestation of hair-eating lice. After the KND find out they don't like nacho cheese, they decide…
Numbuh 1 has a secret girlfriend who is bent on mind controling him! So, Numbuh 1's friends have to save Numbuh 1 from being mind controlled or their days as KND could be numbered.
A fly finds its way into Sector V's headquarters.
All of the teenagers in Sector V's hometown have formed a place called The Point, and Numbuh 1 suspects that they are helping the adults.
A villainous half-man, half-baby named Mr. B gives the Kids Next Door a television series of their own.
Can Numbuh 1 stop a camp counselor without the help of 2 and 3? Probably not...
Numbuh 2's little brother, Tommy (who is shunned by Sector V) joins forces with a villain, Common Cold.
Two parental villains are stupefying KND operatives around the world; an operative named Chad (Numbuh 274) enlists the help of Sector V.
Sector V tries to destroy all the pianos in a truck with a hamster that acts as Numbuh 4's replacement.
Sector V is put into a "kids zoo" and must unite with the Delightful Children From Down The Lane and get all the other children out of their cages before lunch time to escape bein…
Numbuh 5 tries to keep the treehouse quiet so Numbuh 1 can sleep.
The boss of Rainbow Monkeys Inc. uses Numbuh 3 to find real Rainbow Monkeys for him.
The Delightful Children from Down the Lane turn to Father for help, and the Kids Next Door are forced into a dangerous showdown.
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